Solution of problem N2595 probability theory

Solution of problem N2595 probability theory

2595. For every 100 electric lamps of plant “A”, on average there are 83 standard, plant “B” - 63 standard. 70% of bulbs come from the factory “A” and 30% from the factory “B” to the store. The purchased light bulb was standard. Determine the probability that the light bulb is made at the factory "A."

Additional information:

Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)

Discount for regular customers! If the total of your purchases from the seller Massimo86 exceeds:

• $30 discount 10%
• $20 discount 7%
• $18 discount 6%
• $15 discount 5%
• $12 discount 4%
• $9 discount 3%
• $6 discount 2%
• $3 discount 1%